How to Install Windows 10 Technical Preview on Oracle VirtualBox ?

In one of the previous blog post , I explained on how to install Windows 10 Technical Preview on Microsoft Hyper V in Windows 8.1 Pro ?

There were few online friends who use Mac OS X and asked me the steps to install Windows 10 Technical Preview on Oracle VirtualBox and try Windows 10 Technical Preview on Mac and in this blog post , i will cover the same . The steps to install the Windows 10 TP on VirtualBox is similar to other operating system installation on virtual box, I will be using VirtualBox on Windows 8.1 but the steps would be almost be the same on Mac OS X as well.

How to Install Windows 10 Technical Preview on Oracle VirtualBox ?

Follow the below steps to install Windows 10 Technical Preview on Oracle VirtualBox .

1. Sign up for the Windows Insider Program which provides the access to the Windows 10 Technical Preview product key as well the ISO download files of Windows 10 . You can download Windows 10 Technical Preview from http://windows.microsoft.com/en-us/windows/preview#sthash.fBCZbhkY.dpuf

2. Open the Oracle VirtualBox application on your PC. If you don’t have VirtualBox , you can download and install Oracle VirtualBox from https://www.virtualbox.org/

3. In the Oracle VM VirtualBox Manager , click “New” in the Manager Window .

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4. In the Create Virtual Machine screen , provide the name for the Virtual machine , select Type as “Microsoft Windows” and select Windows 8.1(64 bit) . Click Next .

5. Set the Memory size . For this VM , I am setting 8GB RAM and click Next.

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6. Create a virtual hard drive in the following screen using the radio button “”Create a virtual hard drive now” and click “create button” as shown in the below screenshot.

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7. In the hard drive file type , select “VDI (VirtualBox Disk Image)” and click next.

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8. In the Storage on physical hard drive , select the option “dynamically allocated” and click next.

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9. Next step would be provide the File location and size . Provide the location where you want the virtual hard drive file to be saved to. Also specify the size of the virtual hard drive in mega bytes and click Create.

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10. This will create the VM and show it in the Oracle Virtual Box Manager screen. Select the VM from the list and click the Start button.

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11. This will display the “Select startup disk” window . Select the Windows 10 technical preview ISO file by clicking on the browse folder icon. Once done , click start.

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12. You should see the virtual machine getting started and the the installation of Windows 10 technical preview will start.

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If you receive the “Failed to open a session for the virtual machine” , VT-x is not available , you have to verify if Hyper V is enabled on your PC and disable it.

13. Once the Windows installation starts , follow the step 15 to step 21 as described in Windows 10 Technical Preview (Step 15-21) to install Windows 10 technical preview .

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